Home / 107,425.70-161,138.55-96,539.30

Finding the Fourth Proportional to 107,425.70, 161,138.55 and 96,539.30

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Solution

The fourth proportional to 107,425.70, 161,138.55 and 96,539.30 is: 144,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,425.70 : 161,138.55 = 96,539.30 : x
  2. Step 2: Convert to fraction form
    107,425.70/161,138.55 = 96,539.30/x
  3. Step 3: Cross multiply
    107,425.70x = 161,138.55 × 96,539.30
  4. Step 4: Simplify right side
    107,425.70x = 15,556,202,820.02
  5. Step 5: Solve for x
    x = 15,556,202,820.02/107,425.70
  6. Step 6: Final answer
    x = 144,808.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.